Wind-powered ventilator



FIG. 1 is a front perspective view of the design, as viewed from the top left side thereof.

FIG. 2 is a rear perspective view of the design, as viewed from the top left side thereof.

FIG. 3 is a front perspective view of the design, as viewed from the bottom right side thereof.

FIG. 4 is a rear perspective view of the design, as viewed from the bottom right side thereof.

FIG. 5 is a left-side view of the design.

FIG. 6 is a right-side view of the design.

FIG. 7 is a top-side view of the design.

FIG. 8 is a bottom-side view of the design.

FIG. 9 is a front-side view of the design; and,

FIG. 10 is a back-side view of the design.

The broken lines define an example coupling of the claimed design and form no part of the claimed design. 

The ornamental design for a wind-powered ventilator, substantially as shown and described. 